<!--
 * @Author: Bo Cai
 * @Mail: caibo0520@qq.com
 * @Date: 2021-10-07 17:24:07
 * @LastEditors: Bo Cai
 * @LastEditTime: 2021-12-12 16:54:07
-->
<template>
    <div class="app-container">
        <h2 style="text-align: center">发布新课程</h2>

        <el-steps
            :active="3"
            process-status="wait"
            align-center
            style="margin-bottom: 40px"
        >
            <el-step title="填写课程基本信息" />
            <el-step title="创建课程大纲" />
            <el-step title="发布课程" />
        </el-steps>

        <div class="ccInfo">
            <img :src="coursePublish.cover" />
            <div class="main">
                <h2>{{ coursePublish.title }}</h2>
                <p class="gray">
                    <span>共{{ coursePublish.lessonNum }}课时</span>
                </p>
                <p>
                    <span
                        >所属分类：{{ coursePublish.subjectLevelOne }} —
                        {{ coursePublish.subjectLevelTwo }}</span
                    >
                </p>
                <p>课程讲师：{{ coursePublish.teacherName }}</p>
            </div>
        </div>

        <div>
            <el-button @click="previous">返回修改</el-button>
            <el-button
                :disabled="saveBtnDisabled"
                type="primary"
                @click="publish"
                >发布课程</el-button
            >
        </div>
    </div>
</template>

<script>
import course from '@/api/edu/course'
export default {
    data() {
        return {
            saveBtnDisabled: false, // 保存按钮是否禁用
            courseId: '', // 所属课程
            coursePublish: {},
        }
    },
    created() {
        console.log('publish created')
        this.init()
    },
    methods: {
        init() {
            if (this.$route.params && this.$route.params.id) {
                this.courseId = this.$route.params.id
                // 根据id获取课程基本信息
                this.fetchCoursePublishInfoById()
            }
        },

        fetchCoursePublishInfoById() {
            course.getCoursePublishInfoById(this.courseId).then((response) => {
                this.coursePublish = response.data.item
            })
        },
        previous() {
            this.$router.push({ path: '/course/chapter/' + this.courseId })
        },
        publish() {
            course.publishCourse(this.courseId).then((response) => {
                this.$router.push({ path: '/course/list' })
            })
        },
    },
}
</script>
<style scoped>
.ccInfo {
    background: #f5f5f5;
    padding: 20px;
    overflow: hidden;
    border: 1px dashed #ddd;
    margin-bottom: 40px;
    position: relative;
}
.ccInfo img {
    background: #d6d6d6;
    width: 500px;
    height: 278px;
    display: block;
    float: left;
    border: none;
}
.ccInfo .main {
    margin-left: 520px;
}

.ccInfo .main h2 {
    font-size: 28px;
    margin-bottom: 30px;
    line-height: 1;
    font-weight: normal;
}
.ccInfo .main p {
    margin-bottom: 10px;
    word-wrap: break-word;
    line-height: 24px;
    max-height: 48px;
    overflow: hidden;
}

.ccInfo .main p {
    margin-bottom: 10px;
    word-wrap: break-word;
    line-height: 24px;
    max-height: 48px;
    overflow: hidden;
}
.ccInfo .main h3 {
    left: 540px;
    bottom: 20px;
    line-height: 1;
    font-size: 28px;
    color: #d32f24;
    font-weight: normal;
    position: absolute;
}
</style>